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view stripeMatrixPeriodic.m @ 752:0be9b4d6737b feature/utux2D

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Merge with feature/interpolation to get new interpolation operators.
author Martin Almquist <malmquist@stanford.edu>
date Tue, 22 May 2018 13:31:09 -0700
parents 7368affc8f78
children bbf303c1f0cf
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% Creates a periodic discretization matrix of size n x n 
%  with the values of val on the diagonals diag.
%   A = stripeMatrix(val,diags,n)
function A = stripeMatrixPeriodic(val,diags,n)

    D = ones(n,1)*val;
    A = spdiagsVariablePeriodic(D,diags);
end